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MSE+302+Problem+Set+3_Practice+Only

# MSE+302+Problem+Set+3_Practice+Only - MSE 302 Problem Set...

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MSE 302 Problem Set 3 (Not to be graded) May 1, 2008 I. Let’s take a closer look at the economics of a typical home installation in CA. We’ll warm up with some basic calculations and then move on to some basic financing. 1. An average installation is a 3 kW system. Let’s assume that this is rated for its peak performance at AM 1.5. Let’s then assume the modules are 12% efficient. What surface area does the system cover? 2. Now let’s assume that the cost, before rebates or tax incentives, is \$8.50/Wp. What is the cost of the installed system? 3. Let’s now imagine that the panels last 30 years and that you get an average of 5kWh per kW installed per day. This is a reasonable number for California but will vary greatly by region of the country so you need to be careful with this. What is your cost per kWh of electricity over the lifetime of the panels? 4. Now let’s be more realistic since you will most likely finance this. Let’s assume that we can put the cost into your mortgage by taking out some type of home equity loan. Use a

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